NGC4559 (HII region)
From Cambridge , NGC4559 is visible all night. It will become visible at around 20:52 (EDT), 60° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:57, 75° above your southern horizon. It will be lost to dawn twilight at around 04:30, 23° above your western horizon.
Name
NGC4559
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Object type
HII region
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All times shown in Cambridge local time.